Circulatory System Quiz

Which chamber of the heart receives oxygenated blood from the lungs?

• Right atrium

• Right ventricle

• Left atrium

• Left ventricle

What is the primary function of red blood cells?

• To fight infections

• To clot blood

• To carry oxygen

• To remove waste products

Which blood vessels carry blood away from the heart?

• Veins

• Arteries

• Capillaries

• Venules

What is the effect of exercise on heart rate?

• Decreases heart rate

• Increases heart rate

• No effect on heart rate

• Initially increases, then decreases heart rate

Which part of the heart is responsible for pumping oxygenated blood to the body?

• Right atrium

• Right ventricle

• Left atrium

• Left ventricle

How does oxygen travel from the lungs to the tissues in the body?

• Attached to white blood cells

• Dissolved in the plasma

• Attached to hemoglobin in red blood cells

• Through osmosis

Tags

NGSS.HS-LS2-5

What is the sequence of blood flow through the heart starting from the body?

• Right atrium → Right ventricle → Lungs → Left atrium → Left ventricle → Body

• Left atrium → Left ventricle → Body → Right atrium → Right ventricle → Lungs

• Right ventricle → Right atrium → Lungs → Left ventricle → Left atrium → Body

• Left ventricle → Left atrium → Lungs → Right ventricle → Right atrium → Body

What is the role of the valves in the heart?

• To pump blood

• To oxygenate blood

• To prevent backflow of blood

• To remove carbon dioxide from blood

During which phase of the cardiac cycle does the heart fill with blood?

• Systole

• Diastole

• Atrial contraction

• Ventricular contraction

What triggers the increase in heart rate during physical activity?

• Decrease in carbon dioxide levels

• Increase in oxygen levels

• Increase in carbon dioxide levels

• Decrease in blood pressure

Tags

NGSS.HS-LS1-3